youve put in a ton of mana boosting cards so polys cost shouldnt have trouble getting it out. you need to look into the bellowing ageisaur as it gives +1/+1 to other creatures. if anything id say you're a little too heavy on triggers for
enrage rather then uses for it. ive got an
enrage deck of my own you can look at.
in summary ive got 8 spells, the
raging swordtooth, and hutali warrior poet to trigger
enrage, kinjally caller to lower dino cost (as sub to more mana) and then just about every other card has engrage